#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h> 
#include <iostream>
#include <unistd.h>
#include <errno.h>
#include "Frame.h"
static const unsigned short PORT=666;

void error(const char *msg)
{
    perror(msg);
    exit(0);
    
}

int listener(int&);


int listener(int &sockfd){
    int n;
    char buffer[255];
    bzero(buffer,255);
    struct timeval timeout;      
    timeout.tv_sec = 1000;
    timeout.tv_usec = 0;
    if (setsockopt (sockfd, SOL_SOCKET, SO_RCVTIMEO, (char *)&timeout,
                sizeof(timeout)) < 0)
        error("setsockopt failed\n"); 
    while(true){
    sleep(1);
    n = read(sockfd,buffer,255);
    std::cout<<buffer;
    bzero(buffer,255);
    }
    
    close(sockfd);
    return 0;
    
}
    


int main(int argc, char *argv[])
{ 
    int sockfd, portno, n;
    struct sockaddr_in serv_addr;
    struct hostent *server;
    int optval;
    socklen_t optlen = sizeof(optval);
    char nombre[64];
    if (argc < 3) {
       fprintf(stderr,"usage %s hostname port\n", argv[0]);
       exit(0);
    }
    portno = atoi(argv[2]);
    sockfd = socket(AF_INET, SOCK_STREAM, 0);
    if (sockfd < 0) 
        error("ERROR opening socket");
    server = gethostbyname(argv[1]);
    optval = 1;
   optlen = sizeof(optval);
   if(setsockopt(sockfd, SOL_SOCKET, SO_KEEPALIVE, &optval, optlen) < 0) 
      perror("setsockopt()");
    
   
   if (server == NULL) {
        fprintf(stderr,"ERROR, no such host\n");
        exit(0);
    }
    bzero((char *) &serv_addr, sizeof(serv_addr));
    serv_addr.sin_family = AF_INET;
    bcopy((char *)server->h_addr, 
         (char *)&serv_addr.sin_addr.s_addr,
         server->h_length);
    serv_addr.sin_port = htons(portno);
    if (connect(sockfd,(struct sockaddr *) &serv_addr,sizeof(serv_addr)) < 0) 
        error("ERROR connecting");
    printf("Cuál es su nombre?  ");
    bzero(nombre,64);
    fgets(nombre,64,stdin);
    n = write(sockfd,nombre,sizeof(nombre));
    if (n < 0) 
         error("ERROR writing to socket");
    bzero(nombre,64);
    listener(sockfd);
    return 0;
}